CN208655548U - The structure-improved of moving contact of breaker system - Google Patents
The structure-improved of moving contact of breaker system Download PDFInfo
- Publication number
- CN208655548U CN208655548U CN201820750901.6U CN201820750901U CN208655548U CN 208655548 U CN208655548 U CN 208655548U CN 201820750901 U CN201820750901 U CN 201820750901U CN 208655548 U CN208655548 U CN 208655548U
- Authority
- CN
- China
- Prior art keywords
- contact
- conductive plate
- improved
- moving contact
- breaker system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Contacts (AREA)
Abstract
The structure-improved of moving contact of breaker system, it includes contact supporting (1), conductive plate supports axis (2) is mounted on the contact supporting (1), it is installed with several conductive plates (3) on conductive plate supports axis (2) side by side, it is characterized by: conductive plate (3) medial surface stretches out connecting lever (301), several touch springs (4) are on the contact supporting (1), described touch spring (4) one end resists the contact supporting (1), and the other end resists the connecting lever (301).The structure-improved of the moving contact of breaker system, pass through the improvement to movable contact system related components planform, reduce the high temperature that touch spring is born when short trouble occurs in breaker, improve tolerance when breaker breaks down, enhance the safety in utilization of breaker, guarantee the gap between adjacent plate simultaneously, optimizes the active force of the touch spring of the conductive sheet receiving of moving contact, improve the reliability and stability of movable contact system movement.
Description
Technical field
The utility model belongs to breaker technical field, is specifically exactly to be related to a kind of improvement of moving contact of breaker system
Structure.
Background technique
Breaker is the pith of electrical power distribution apparatus, is mainly used for industrial low-voltage power system, for connecting and disjunction
The danger of electric current and protection circuit and power-supply device in mains-power circuit from failures such as overload, under-voltage, short circuit, single-phase earthings
Evil.
Breaker is divided into high-voltage circuitbreaker and low-voltage circuit breaker by its use scope.Low-voltage circuit breaker is also known as automatically switched,
It is commonly called as " air switch " and also refers to low-voltage circuit breaker, it is a kind of existing manual switch effect, and can carry out decompression automatically, owe
The electric appliance of pressure, overload and short-circuit protection.It can be used to distribute electric energy, infrequently start asynchronous motor, to power circuit and
The implementations such as motor protection, when serious overload or short circuit and the failures such as under-voltage occurs in they can automatic shutdown circuit,
Function is equivalent to Fuse switch and crosses the combination of underheat relay etc., and does not need generally to become after disjunction fault current
More components have had been widely used.
The moving contact structure of traditional breaker includes revolving support axis, a pair of of strap, touch spring, contact branch
It holds, one group of parallel conductance plate, conductive plate supports axis, Contact Cover, compliant conductive litzendraht wire, moving contact bus with silver contact.
Touch spring is mounted in contact support, and is in contact with the electrically conductive plates cooperation.Between every conductive plate by contact support on every
Barrier is opened, or the barrier by being made in Contact Cover separates conductive plate.On the market also by punch forming on conductive plate
Boss structure play between interval action and every conductive plate install monolithic barrier structure.
Existing movable contact system is primarily due to the installation site of touch spring too close to main contact, causes short in carrying
When the electric current of road, touch spring is influenced to anneal by contact position high temperature, and then reduces its operating pressure persistently, and reduction is resolved
The ability and electrical endurance of the KA Rms of road device.Secondly, existing moving contact structure can not effectively control conductive plate with
Contact supports the gap between barrier, if gap is excessive, when contact system when carrying short circuit current in short-term, in electromagnetic field effect
Lower conducting plate will receive axial deflection power, make conductive plate stress deformation, lead to product disjunction.If gap is too small, conductive plate can be made
The frictional force supported with contact increases, and keeps the rotation of conductive plate not flexible.Third is then in existing movable contact system on conductive plate
The structure of punching press boss, due to processing technology defect, it may appear that boss height punching press is inconsistent, in more sheets of conductive plate arranged in parallel
Afterwards, support that cooperation will appear gap problems of too or gap is too small to assemble with contact.Finally, every in existing movable contact system
Piece conductive plate is identical by the applied counter-force of touch spring.And practical when carrying short circuit current, the conduction at intermediate position
Electrodynamic repulsion force suffered by plate can be higher than about the 30% of two sides, cause the contact for being likely to occur centre first to be denounceed and open, other contacts are denounceed therewith
The technical issues of opening.
Utility model content
The purpose of this utility model provides a kind of disconnected aiming at technological deficiency existing for above-mentioned existing movable contact system
The structure-improved of road device movable contact system reduces contact by the improvement to movable contact system related components planform
The high temperature that spring is born when short trouble occurs in breaker improves tolerance when breaker breaks down, enhances
The safety in utilization of breaker, while guaranteeing the gap between adjacent plate, optimize the contact that the conductive sheet of moving contact is born
The active force of spring improves the reliability and stability of movable contact system movement.
Technical solution
Future realizes above-mentioned technical purpose, and the structure-improved of the moving contact of breaker system of the utility model design, it is wrapped
Contact supporting is included, conductive plate supports axis is mounted on the contact supporting, it is installed with several conductive plates on conductive plate supports axis side by side,
It is characterized by: the conductive plate medial surface stretches out connecting lever, several touch springs are on the contact supporting, the contact bullet
Spring one end resists the contact supporting, and the other end resists the connecting lever.
Further, it is separated between the adjacent two panels of several conductive plates with grid is thin.
Further, described several touch spring one end are in the mounting groove of the contact supporting, the mounting groove bottom
Height among face is higher than the height of two sides bottom surface.
Preferably, the one side and main contact mounting surface on the conductive plate that the conductive plate connecting lever contacts the touch spring
Between angle be 60 °~120 °.
Further, insulating boot is housed on the outside of the conductive plate, the conductive plate supports axis sequentially passes through the insulating boot
On Contact Cover mounting hole and the conductive plate on conductive plate mounting hole.
Further, fixed on the lateral surface of the conductive plate that main contact and auxiliary contact, the bottom of the conductive plate are housed
Portion is fixedly connected with one end of several conductive braided fabric lines, and the other end of several conductive braided fabric lines is fixedly connected with copper busbar.
Further, the inside of the contact supporting is equipped with bracket.
Preferably, the touch spring is compressed spring.
Preferably, the grid thin slice is the red steel cardboard or Luo meter Ke paper of flexible insulation.
Further, the installation groove bottom middle position is in the bottom surface in 1/5~4/5 region of the conductive plate the piece number
Height is higher than the floor height of rest part.
Preferably, the bracket is metallic support.
Beneficial effect
The structure-improved of moving contact of breaker system provided by the utility model, by movable contact system related components
The improvement of planform reduces the high temperature that touch spring is born when short trouble occurs in breaker, improves breaker and goes out
Tolerance when existing failure, enhances the safety in utilization of breaker, while guaranteeing the gap between adjacent plate, optimizes
The active force for the touch spring that the conductive sheet of moving contact is born improves the reliability and stability of movable contact system movement.
Detailed description of the invention
Attached drawing 1 is the exploded view of the utility model embodiment.
Attached drawing 2 is the structural schematic diagram of the utility model embodiment.
Attached drawing 3 is grid thin slice mounting structure schematic diagram in the utility model embodiment.
Attached drawing 4 is touch spring mounting structure schematic diagram in the utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described further.
Embodiment
As shown in figure 1 and 2, the structure-improved of moving contact of breaker system, it includes contact supporting 1, the contact branch
The inside of frame 1 is equipped with bracket 10.In the present embodiment, the bracket 10 is metal material.Conductive plate supports axis 2 is mounted on the touching
On head bracket 1, it is installed with several conductive plates 3 on conductive plate supports axis 2 side by side, insulating boot 11 is housed on the outside of the conductive plate 3, it is described
Conductive plate supports axis 2 sequentially passes through the conductive plate on Contact Cover mounting hole 1101 and the conductive plate 3 on the insulating boot 11
Mounting hole 302.Fixed on the lateral surface of the conductive plate 3 that main contact 6 and auxiliary contact 7 are housed, the bottom of the conductive plate 3 is solid
Surely one end of several conductive braided fabric lines 8 is connected, the other end of several conductive braided fabric lines 8 is fixedly connected with copper busbar 9.
As shown in Fig. 3, it is separated between the adjacent two panels of several conductive plates 3 with grid thin slice 5, it is described in this example
Grid thin slice 5 is the red steel cardboard or Luo meter Ke paper of flexible insulation.As shown in Fig. 2,3 medial surface of conductive plate stretches out connecting lever
301, the conductive plate connecting lever 301 contacts in the one side and the conductive plate 3 of the touch spring 4 between 6 mounting surface of main contact
Angle be 60 °~120 °.
As shown in Fig. 4,4 one end of touch spring of the compressive state is mounted in the mounting groove 101 of the contact supporting 1
Interior, the other end resists the connecting lever 301.The 101 bottom surface middle position of mounting groove be in 3 the piece number of conductive plate 1/5~
Floor height in 4/5 region is higher than the floor height of rest part.
Advantage of this embodiment is that the installation site of touch spring 4 reduces contact far from the main contact 6 on conductive plate 3
The high temperature that spring is born when short trouble occurs in breaker improves tolerance when breaker breaks down, enhances
The safety in utilization of breaker, while guarantee adjacent conductive is separated with grid thin slice 5 between the adjacent two panels of several conductive plates 3
Gap between plate optimizes the active force of the touch spring of the conductive sheet receiving of moving contact, improves movable contact system movement
Reliability and stability.Simplify the assembly difficulty of moving contact.
The utility model embodiment structure depicted in this specification institute accompanying drawings, ratio, size, quantity etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in
Between ", " clockwise ", " counterclockwise " etc. term, be merely convenient to being illustrated for narration, rather than can be real to limit the utility model
The range applied, relativeness are altered or modified, under the content of no substantial changes in technology, can be real when being also considered as the utility model
The scope applied.
Claims (11)
1. the structure-improved of moving contact of breaker system, it includes contact supporting (1), and conductive plate supports axis (2) is mounted on described
On contact supporting (1), it is installed with several conductive plates (3) on conductive plate supports axis (2) side by side, it is characterised in that: the conductive plate (3)
Medial surface stretches out connecting lever (301), and several touch springs (4) are on the contact supporting (1), described touch spring (4) one end
It resists the contact supporting (1), the other end resists the connecting lever (301).
2. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: several conductive plates
(3) it is separated between adjacent two panels with grid thin slice (5).
3. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: several touch springs
(4) in the mounting groove (101) of the contact supporting (1), the height among mounting groove (101) bottom surface is higher than two for one end
The height of side bottom surface.
4. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: the conductive plate connecting lever
(301) it contacts the one side of the touch spring (4) and the angle on the conductive plate (3) between main contact (6) mounting surface is 60 °
~120 °.
5. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: the conductive plate (3) is outside
Side is equipped with insulating boot (11), and the conductive plate supports axis (2) sequentially passes through the Contact Cover mounting hole on the insulating boot (11)
(1101) the conductive plate mounting hole (302) and on the conductive plate (3).
6. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: the conductive plate (3)
Fixed on lateral surface that main contact (6) and auxiliary contact (7) are housed, the bottom of the conductive plate (3) is fixedly connected with several conductive volumes
One end of line (8) is knitted, the other end of several conductive braided fabric lines (8) is fixedly connected with copper busbar (9).
7. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: the contact supporting (1)
Inside be equipped with bracket (10).
8. the structure-improved of moving contact of breaker system as described in claim 1, it is characterised in that: the touch spring (4)
For compressed spring.
9. the structure-improved of moving contact of breaker system as claimed in claim 2, it is characterised in that: the grid thin slice (5)
For the red steel cardboard or Luo meter Ke paper of flexible insulation.
10. the structure-improved of moving contact of breaker system as claimed in claim 3, it is characterised in that: the mounting groove (101)
Bottom surface middle position is in the bottom surface that the floor height in 1/5~4/5 region of the conductive plate (3) the piece number is higher than rest part
Highly.
11. the structure-improved of moving contact of breaker system as claimed in claim 7, it is characterised in that: the bracket (10) is
Metallic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750901.6U CN208655548U (en) | 2018-05-18 | 2018-05-18 | The structure-improved of moving contact of breaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750901.6U CN208655548U (en) | 2018-05-18 | 2018-05-18 | The structure-improved of moving contact of breaker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655548U true CN208655548U (en) | 2019-03-26 |
Family
ID=65778913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820750901.6U Active CN208655548U (en) | 2018-05-18 | 2018-05-18 | The structure-improved of moving contact of breaker system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208655548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493073A (en) * | 2018-05-18 | 2018-09-04 | 上海良信电器股份有限公司 | The structure-improved of moving contact of breaker system |
-
2018
- 2018-05-18 CN CN201820750901.6U patent/CN208655548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493073A (en) * | 2018-05-18 | 2018-09-04 | 上海良信电器股份有限公司 | The structure-improved of moving contact of breaker system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103745896B (en) | A kind of movable contact system of chopper | |
| CN108493073A (en) | The structure-improved of moving contact of breaker system | |
| CN101980351B (en) | Rocker-type single-wire double-connection double-insurance switch | |
| CN203733736U (en) | Moving contact system of breaker | |
| CN208655548U (en) | The structure-improved of moving contact of breaker system | |
| CN202172230U (en) | Medium-voltage double-power combined electrical apparatus | |
| CN102332688A (en) | 24kV small-sized vacuum load switch (circuit breaker) cabinet | |
| CN201274253Y (en) | Indoor combined electric appliance for 40.5 kV vacuum load switch fuse | |
| CN207800529U (en) | Breaker contact system | |
| CN201893517U (en) | 24 kV small-sized vacuum load switch cabinet | |
| CN201274252Y (en) | DC ultra-high-voltage isolation switch | |
| CN205911273U (en) | Low -voltage circuit breaker contact system's improvement structure | |
| CN213519824U (en) | Circuit breaker | |
| CN101329965B (en) | 24 KV outdoor high-voltage vacuum breaker | |
| CN104347306B (en) | Static contact isolation switch | |
| CN203339044U (en) | Static contact of disconnecting switch | |
| CN204390975U (en) | A kind of switching off/on device of high-tension vacuum switch equipment | |
| CN2927427Y (en) | Structure for installing isolated switch in medium-voltage switch cabinet | |
| CN205645655U (en) | Cubical switchboard three -station isolation switch | |
| CN105869942A (en) | Three-position isolation switch for switch cabinet | |
| CN208256486U (en) | On-load switch and its static contact component | |
| CN206672849U (en) | A kind of special anti-overheat of power equipment disconnecting switch safe to use | |
| CN201804782U (en) | AC contactor | |
| CN2574207Y (en) | Outdoor combined load isolation switch | |
| CN209401586U (en) | A kind of low-voltage circuit breaker movable contact system of improvement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |